Question

evaluate (c) (343 a^-9 b^3) ^2/3
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Answer 1

Answer:

$[7a^{-3}b]^{2}$

Step-by-step explanation:

[ 343$a^{-9}$*$b^{3}$ ] $^{2/3}$

= [ $7^3$$a^{-9}$*$b^{3}$ ] $^{2/3}$

=  ($7^3$)$^{2/3}$ * ($a^{-9}$)$^{2/3}$ * ($b^{3}$)$^{2/3}$

=  $7^2$ *$a^{-6}$ * $b^{2}$

= $[7a^{-3}b]^{2}$